Sentence examples for composition of crops from inspiring English sources

Few achievements of modern science have been more bitterly disputed than altering the genetic composition of crops for food; to do it for fuel will be no less controversial.

Substantial changes in the composition of crops in Central Europe during the last two decades (increasing areas of maize, rape and sunflower fields) have significantly influenced the structure and dynamics of animal communities, though there is a lack of data available for small rodents.

This adds to the growing number of reports on effects of organic vs conventional production systems on the chemical composition of crops.

Only validated methods that are comparable should be used to determine the composition of crops if such data are to be used for a safety assessment.

Conventional and organic agriculture can therefore potentially be distinguished by differences in the source, amount and biological availability of essential plant nutrients, and resultant changes in the chemical composition of crops.

Furthermore, their population dynamics is influenced by crop management intensity rather than crop composition of cropping systems.

However, similar estimates are reported by other investigators for the crop rotations and composition of cropping systems similar to those in our study area.

This composition of cropping systems would determine the extent to which the SOC stock had been influenced by tillage practices during the study period.

The chemical compositions of crop residues are given in Table 1.

To understand the effects of policy changes on organisations and compositions of cropping systems at regional scale and their contribution to the sustainable development of regions, we built a regional, spatially explicit, multi-scale, bioeconomic model called MOSAICA.

These range from increases in the yield (15 to 25 odt ha-1 year-1 for high-yielding dedicated energy crops), stress tolerance and the lignin, cellulose, hemicellulose composition of energy crops, to enhanced pretreatment efficiency and greatly improved fermentation tolerance to titre concentration (40%EtOH is considered an optimistic target).